Analysis of the distribution characteristics of overall dimensions and specific power of three axle trucks based on full sample data
The distribution characteristics of specific power(the ratio of the power to the truck total mass)were investigated for trucks in China to improve traffic safety,to reduce the incidence of major traffic accidents,and to provide the evidence for the revision of truck design vehicle parameters in highway related design standards or specifications.Using statistics,the distribution of the outline size and specific power of the three-axle trucks in mainland China on the'Truck House'website was analyzed;And the recommended values of the minimum value of the outline size and specific power of the three-axle trucks were determined.The results show that the body width of the dump truck and the truck is relatively close,which is distributed between 2.5～2.55 m,but the body length and wheelbase of the dump truck are about 2 m lower than that of the truck,and the height is about 0.5 m lower than that of the truck.The correlation between specific power and maximum torque is strong,and the correlation with displacement is general.The statistical results suggest that the outline size of the truck design vehicle should be corrected to 12.00 m×2.55 m×4.00 m with the wheelbase of 8 m,the front suspension of 1.6 m,and the rear suspension of 4 m;and the truck specific power should be 8.6 kW·t-1.
trafficvehicle designthree-axle trucksprofile dimensionsspecific power
NETL
NSTL
万方数据
